Oil burner



RILEY OIL BURNER Filed lay 31 1924 2 Sheets-Sheet l vl, u R. L H T E N NE K out. 6, 192-5.

K. 1,.. RILEY 1'555876 OIL BURNER Filed May 31. 1924 2 Sheets-Sheet 2 2FIG 6 l2 H /li U Il I I Y 4 1'/ ,'2. ff

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KENNETH LBILEY,

Patented oct. 6, 1925.

UNITED STATES PATENT.OFFICE.

KENNETH L. RILEY, OF LUDLOW, MASSACHUSETTS, ASSIGNOR TO RILE-EZONEBURNER AND MANUFACTURING COMPANY, OF LUDLOW, MASSACHUSETTS, ACORPORATION OF MASSACHUSETTS.

OIL BURNER.

To all whom t may concern:

Be it lrnown that I, KENNETH L. RILEY, a citizen of the United States,residing at Ludlow, in the county of Hampden, in the Commonwealth ofMassachusetts, have invented certain new and useful Improvements in OilBurners, of which the following is a specification.

lily invention consists in a new and useful improvement in oil burnersand is designed to provide a vaporizing oil burner embodying a number ofnovel features to obviate certain disadvantages heretofore existing inburners of this type. One of the objects of this invention is to providemeans whereby the heat absorbed by the material of the burner, and whichin other oil burning devices of this type causes overheating andconsequent internal ignition, may be utilized to pre-heat the air to bemixed with the vaporized eil. ln this way the surplus heat is taken fromthe material of the burner, allowing ruiming with a very high flame forlong periods withoutoverheating, and at the same time, by mixing thissuperheated air with the oil vapor, a much more inflammable is produced,tending to economy in oil consumption. This object is attained byproviding air passages in the body of the burner. forming integral partsthereof, especially passages through the outer walls of the burner,between the flame slots or holes, and generally any passage through thematerial of the burner through which air must pass to reach the vaporjet. Another object of this invention is to provide means in thevaporizer whereby carbon deposits are avoided, such as obstruct thevapor conduit and interfere with the operation of the device. This meanscomprises horizontal vaporizing tubes with slotted openings in theirupper sides, a novel form of vapor screen, and a novel form ofgenerator' tip.

lf have indicated in the details of construotion illustrated in thedrawings filed herewith and hereinafter full described one speciicembodiment of my invention, but it .is to be distinctly understood thatI do not consider my invention limited to said specitic embodiment butrefer for its scope to the claims appended hereto.

ln the drawings:

Fig. 1 is a transverse vertical sectionon the line 1 1 of Fig. 8.

Fig. 2 is a horizontal section on the line 2 2 of Fig. 1, viewed in thedirection indicated by the arrow.

Fig. 3 is a vertical section on the line of Fig. 1.

Fig. 4 is a vertical section on the line 1 4 of Fig. 1.

Fig.` 5 is a vertical section on the line 5 5 of Fig. 1.

Fig. 6 is a top plan view of the device, with the vaporizing meansremoved.

Fig. 7 is a vertical section of the generator tip Fig. 8 is an endelevation of the generator tip.

Fig. 9 is a section on the line 9 9 of Fig. 7.

Fig. 10 is a side elevation of a fragment of the side wall of the burnershowing a modification of the flame openings.

Fig. 11 is a section on the line 11 11 of Fig. 10.

My improved burner comprises a casing 1 having side walls 2 in which arelocated 'llues 3 open at their lower ends t0 the atmosphere andconnecting at their tops with air ducts el disposed above the walls v2andvextending longitudinally of the casing 1, one on each side thereof.Transverse air ducts 5 connect the ducts 4 with the mixing chamber 6above the distributing chamber 7 which is connected with the chamber 6by the open'- ing 8. The mixing chamber 6 extends over only a portion ofthe distributing chamber 7 and has an end wall 9 in which is a centrallydisposed orifice 10 through which the nozzle of the vaporizer isinserted into the mixing chamber 6, as presently described.

I provide in the walls 2 between the flu-es 3, and in the top 11 of thedistributing chamber 7 flame slots 12. In the modication illustrated inFigs. 10 and 11, the flame openings are in the form of tubes 12a.

I provide a block 13 resting upon the top 11 and the tops of the airducts 4, adjacent the orifice 10 in the wall 9 of the mixing chamber 6.Two vaporizing tubes 14; are mounted in this block 13 and the outercasing 15 of the burner and are so disposed as to be above the flameopenings 12 in the top 11. ln each of these tubes 141 there is disposeda supply tube 16 having on its outer end a collar 17 abutting the outerend of the tube 14: and fastened thereto by a screw cap 18. A supplypipe 19 is connected with the tubes 16 to supply oil thereto. Each tube16 is supplied on its upper side with a number' of slotted openings 20.

The block 13 is provided in its upper portion with a transverse passage21 closed at its ends with screw caps 22. Each tube lei has in its top aslotted opening 23 affording communication between the tube 1li and thepassage 21. The block 13 is also provided with a vertical bore 24 incomnuinication with the passage 21 and closed at its top by a screw cap25. Positioned at the juncture ot' the passage 21 and the bore 211 is aremovable thimble-shaped screen 26 so disw posed that the vapor passingthrough the passage 21 and the bore 24: must traverse twoy screen wallsin its passage.

Mount-ed in the lower portion of the block 13 and extending into themixing chamber 6 through the oritice 10 is the vapor tube 27 with whichthe bore 24 communicates. Upon the outer end of this tube 27 there is astutling box 28 containing stui'ling 29. TWithin the outer end of thesutling box 28 there is threaded the valve stem casing 30 provided withslotted openings 31 and received through the end wall of the casing 1and the wall 15 of the burner, and having its outer end closed by a cap32 through which passes the valve stem 33 passing through the casing 30,stutting 29 and having its tip 34C in the reduced inner end of the vaportube 27.

I provide a novel form of generator tip 35 screwed into the inner end ofthe vapor tube 27. The tip 35 is provided on its side adjacent the tube27 with a transverse slit 36 communicating with an interior chamber 37.From this chamber 37, there is a circular vapor orifice 38 through whichpasses the vapor into the mixing chamber From the foregoing descriptionof the parts of my device, its operation is 0bvious. Any suitabletemporary heating agent is applied to the under side of the tubes 14 andthe oil is permitted to flow through the pipe 19 and tubes 16. The heatcauses the oil to vaporize and escape through the slotted openings 2O inthe pipes 16. The vapor then passes from the tubes 1lithrough theslotted openings 23, and traverses the passage 21 and bore 24 to thevapor tube 27, passing through both the side and bottom walls of thescreen 26. It is to be noted that by removing the caps 22 andthe capboth the passage 21 and the bor-e may be cleanech'and the screen removedand cleaned.

The i'low oi vapor from the tube 27 through the generator tip 35 intothe mixing chamber 6 may be controlled by the valve stem 33 which isoperable from outside of the burner. It is to be noted that the casing30 screwed into the stutiing box 28 may be manipulated from outside ofthe burner and serves to compress the packing 29 to obviate leakage ofthe vapor from the tube 27. It is also to be noted that the openings 31are provided in the casing 3() so that should any vapor penetratethrough the packing 29 it would escape through these openings 31 intothe burner and be consumed, thus preventing any leakage of the vapor tothe atmosphere to cause a disagreeable odor.

rt is to be noted that the vapor from the ube 27 passesthrough thenarrow slit 36 ot the tip 35 which extends across the full diameter otthe inner face ot the tip 35. rEhe width of this slit 36 is somewhatless than the diameter of the oriiice 38, thus tending to prevent theaccumulation of any particles of carbon to clog the orifice 38 andimpede the passage ot' the vapor therethrough.

rllhe vapor passing into the mixing chamber 6 commingles with the airsupplied to the mixing chamber 6 through the tlues 3 and air ducts l and5. The mixture of air and vapor passes through the opening 8 into thedistributing chamber 7 whence the iniiamn i able mixture passes throughthe openings 12 and being ignited produces the iiames for the burner.The iaiames from the openings 12 in the top 11 serve to vaporize the oilin the tubes 14C.

lt is to be noted that the air supplied through the 'fines 3 tends toreduce the temperature ot' the walls 2 containing the iiues 3 and theair thus heated in its passage through the iiues 3 passes through theducts 4 and 5 into the mixing chamber 6 at a high temperature thuscreating a highly inflammable mixture with the oil vapor.

Having described my invention, what I claim is:

1. An oil burner having a mixing chamber, a distributing chamber, andflame openings trom said distributing chamber between the outer walls ofducts through which air is drawn to the mixing chamber.

2. In an oil burner, the combination of a casing; air Ltlues in the sidewalls ot' said casing; flame openings through the walls of said casingand between said air fines; a mixing chamber in said casing; and airducts connecting said fines with said chamber.

3. An oil burner provided with a casing; iiues in the outer side wallsot said casing; flame openings in the walls between tiues; ain hanber;.longitudinal transverse passages connecting said fiues with said mixingchamber, and so arranged that air is drawn through said tlues andconnecting passages into saidmixing chamber.

ln testimony whereof I atlix my signature.

KENNE'IH L. RILEY.

